F16D 2250/0038
Surface treatment
F16D2250/0038 (Surface treatment) appears on 365 US grants and 513 published applications in this corpus.
Search patents in F16D- Granted patents
- 365
- Published applications
- 513
- Assignees
- 230
- Inventors
- 1,089
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 9 | 0 |
| 2000 | 10 | 0 |
| 2001 | 2 | 3 |
| 2002 | 6 | 7 |
| 2003 | 7 | 14 |
| 2004 | 7 | 16 |
| 2005 | 6 | 11 |
| 2006 | 7 | 10 |
| 2007 | 7 | 13 |
| 2008 | 2 | 13 |
| 2009 | 5 | 14 |
| 2010 | 8 | 20 |
| 2011 | 2 | 9 |
| 2012 | 9 | 7 |
| 2013 | 7 | 26 |
| 2014 | 9 | 18 |
| 2015 | 5 | 25 |
| 2016 | 15 | 26 |
| 2017 | 21 | 36 |
| 2018 | 26 | 20 |
| 2019 | 27 | 35 |
| 2020 | 15 | 35 |
| 2021 | 29 | 18 |
| 2022 | 18 | 29 |
| 2023 | 23 | 30 |
| 2024 | 22 | 31 |
| 2025 | 21 | 28 |
| 2026 | 21 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Drum brake and method of operating the same6 Oct 2026US 12,753,812 B2Hl Mando Corporation
- Constant velocity plunging joint and method of producing a constant velocity plunging joint22 Sep 2026US 12,742,478 B2GKN Driveline Deutschland GmbH
- Double-layer brake disc in nickel-free steel and manufacturing method8 Sep 2026US 12,729,730 B2Brembo S.p.A.
- Method to produce high corrosion and wear resistant cast iron components by using laser cladding11 Aug 2026US 12,703,047 B2Oerlikon Surface Solutions AG, PfäFfikon
- Ball screw drive for an actuator group11 Aug 2026US 12,704,162 B2ZF Active Safety GmbH
- Drive shaft27 Aug 2026US 2026/0251174 A1CP Tech GmbH
- Method for producing a braking element, and braking element23 Jul 2026US 2026/0210418 A1
- Method for producing a counter track joint9 Jul 2026US 2026/0194111 A1
- Wheel bearing assembly for vehicle25 Jun 2026US 2026/0175619 A1ILJIN GLOBAL Co.,Ltd
- Brake discs and methods for manufacturing brake discs25 Jun 2026US 2026/0177116 A1Transportation IP Holdings, LLC
Most cited
By later US patents
- Composite disk brake rotor and method of making89US 5,407,035 AFord Motor Company · 1995
- Lightweight brake rotor with a thin, heat resistant ceramic coating79US 5,224,572 A1993
- Brake rotor with a heat-resistant ceramic coating69US 5,501,306 A1996
- Method for applying an anti-oxidative coating on brake disks of a carbon-containing composite material62US 5,686,144 ASociete Europeenne de Propulsion · 1997
- Composite material for sliding surface bearings54US 4,847,135 AKolbenschmidt Aktiengesellschaft · 1989